Published: Oct 20, 2011 7:44 PM EDT

TALLAHASSEE, Fla. (AP) - Civil rights groups and labor unions are among 29 interveners joining Florida's election law case as defendants.
    
A three-judge federal court panel in Washington, D.C., approved the six groups and 23 individuals on Wednesday. They include the National Association for the Advancement of Colored People's Florida chapter, La Raza, the Florida AFL-CIO and Florida League of Women Voters.
    
Florida Secretary of State Kurt Browning initially sued the federal government for "preclearance" approval of the state's new election law. Browning later amended the suit to also challenge that requirement. It's part of the federal Voting Rights Act and designed to ensure election laws are not discriminatory.
    
The interveners contend Florida's law is discriminatory and should be rejected.
    
Other interveners include Project Vote, state Sen. Arthenia Joyner and state Rep. Janet Cruz.

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